/*
 * This file Copyright (c) 2015. Walle.
 * (http://www.wallellen.com). All rights reserved.
 *
 *
 * This file is dual-licensed under both the
 * Walle Agreement (WA) and the GNU General Public License.
 * You may elect to use one or the other of these licenses.
 *
 * This file is distributed in the hope that it will be
 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
 * implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
 * Redistribution, except as permitted by whichever of the GPL
 * or WA you select, is prohibited.
 *
 * 1. For the GPL license (GPL), you can redistribute and/or
 * modify this file under the terms of the GNU General
 * Public License, Version 3, as published by the Free Software
 * Foundation.  You should have received a copy of the GNU
 * General Public License, Version 3 along with this program;
 * if not, write to the Free Software Foundation, Inc., 51
 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * 2. For the Walle Agreement (WA), this file
 * and the accompanying materials are made available under the
 * terms of the WA which accompanies this distribution, and
 * is available at http://www.wallellen.com/agreement.html
 *
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 */

package com.wallellen.core.config;

import com.wallellen.core.Context;
import com.wallellen.core.auth.util.KeyUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;

/**
 * Created by walle on 12/9/15.
 */
public class ReadKey {
    private static final Logger LOG = LoggerFactory.getLogger(com.wallellen.core.Context.class);
    private static boolean isOk = false;

    public static void read(String path) {
        try {
            if (!isOk) {
                //@TODO by walle
                Context.FK = readTxtFile(path + File.separator + "/WALLELLEN.COM.LICENSE");
                Context.FLAG = KeyUtil.getFkey(KeyUtil.getMKey()).equals(Context.FK);
                isOk = true;
            }
        } catch (Exception e) {
            LOG.error(e.getMessage(), e);
            Context.FK = "NONE";
        }
    }

    public static String readTxtFile(String filePath) {
        try {
            File file = new File(filePath);
            if ((file.isFile()) && (file.exists())) {
                InputStreamReader read = new InputStreamReader(new FileInputStream(file), "utf-8");
                BufferedReader bufferedReader = new BufferedReader(read);
                String lineTxt;
                if ((lineTxt = bufferedReader.readLine()) != null) {
                    return lineTxt;
                }
                read.close();
            }
        } catch (Exception e) {
            LOG.error("READ LICENSE ERROR, PLEASE CONTACT wallellen@hotmail.com");
        }
        return "NONE";
    }
}
